St. Albert
Canada
5
2018-09-20
The entities that hold a legal rights for patent applications filed by inventor BEREZOWSKY Roman:
Roman BEREZOWSKY from St. Albert, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
HYDROMETALLURGICAL METHOD FOR SILVER RECOVERY
#2 | 2018-09-13Method for reducing arsenic content in arsenic-bearing gold material
#3 | 2010-08-12Recovering metals from complex metal sulfides
#4 | 2009-05-28Process for separating and recovering base metals from used hydroprocessing catalyst
#5 | 2009-05-28Process for separating and recovering base metals from used hydroprocessing catalyst
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